bug#19975: 25.0.50; Add %s-like descriptor to `format' that treats nil like empty string

[Andreas Schwab]

Drew Adams <drew.adams@oracle.com> writes:

> Enhancement request.  Add a new format descriptor to `format' that would
> behave just like %s except that a nil argument would be treated as if it
> were "".

It's easy enough to use (or foo "").

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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